Hail History

Home › Pennsylvania › Allegheny County › Castle Shannon

Hail history for Castle Shannon, PA

Last hail within 10 milesSep 3, 20261.5 in (ping pong ball)
Hail days, last 12 months3
Largest hail since 20062 in (hen egg)Mar 23, 2011
Hail days since 200654
Days with hail 1 inch or larger34
Tornadoes within 10 miles10
Damaging wind reports within 10 miles521

Hail has been reported within 10 miles of Castle Shannon on 54 days since 2006. The largest stones measured 2 in (hen egg) on Mar 23, 2011. Hail is most common here in June and May.

Recent hail near Castle Shannon

DateHail sizeWhereSource
Sep 3, 20261.5 in
ping pong ball		Braddock
1 hail report · closest 8 mi from Castle Shannon		NWS storm report (preliminary)
May 13, 20261 in
quarter		Finleyville
1 hail report · closest 8 mi from Castle Shannon		NOAA Storm Events
Mar 7, 20261 in
quarter		Gastonville
1 hail report · closest 8 mi from Castle Shannon		NOAA Storm Events
Apr 2, 20251.5 in
ping pong ball		Neville Is, Ben Avon, Dravosburg
4 hail reports · closest 6 mi from Castle Shannon		NOAA Storm Events
Mar 16, 20251 in
quarter		Bellevue, Option, Gastonville
3 hail reports · closest 5 mi from Castle Shannon		NOAA Storm Events

One row per day: the largest hail reported that day within 10 miles, the places and the number of reports.

Hail days near Castle Shannon by year

5064071083093102114125131411521611741831922042122123424225326

When hail season peaks near Castle Shannon

Of the 54 hail days since 2006, most fell in June (13) and May (10).

JanFeb5Mar7Apr10May13Jun8Jul7Aug3Sep1OctNovDec

Largest hail storms near Castle Shannon

Mar 23, 2011 · 2 in (hen egg) · Riverton (10 mi from Castle Shannon)

Jul 4, 2012 · 1.75 in (golf ball) · Port Vue (9 mi from Castle Shannon)

Apr 10, 2013 · 1.75 in (golf ball) · Sygan (6 mi from Castle Shannon)

May 2, 2016 · 1.75 in (golf ball) · Gayly (9 mi from Castle Shannon)

May 12, 2018 · 1.75 in (golf ball) · Thomas (10 mi from Castle Shannon)

Tornadoes within 10 miles of Castle Shannon

DateRatingWherePath
Nov 20, 2024EF0Aspinwall
9 mi from Castle Shannon		1.0 mi long, 75 yd wide
May 17, 2024EF?Allegheny Co Airport
5 mi from Castle Shannon		0.6 mi long, 50 yd wide
May 17, 2024EF0Ehama
9 mi from Castle Shannon		5.4 mi long, 75 yd wide
May 17, 2024EF0Webster
9 mi from Castle Shannon		0.5 mi long, 75 yd wide
May 17, 2024EF1Cherry City
9 mi from Castle Shannon		1.9 mi long, 125 yd wide
May 11, 2024EF2Bower Hill
7 mi from Castle Shannon		5.8 mi long, 200 yd wide
Oct 21, 2021EF1Thomas
9 mi from Castle Shannon		1.5 mi long, 200 yd wide
Jun 3, 2018EF0Finleyville
8 mi from Castle Shannon		0.1 mi long, 15 yd wide
Sep 27, 2012EF0Duquesne
8 mi from Castle Shannon		0.3 mi long, 75 yd wide
Aug 9, 2007EF0Option
5 mi from Castle Shannon		0.5 mi long, 200 yd wide

Damaging thunderstorm winds near Castle Shannon

521 reports of damaging thunderstorm wind within 10 miles of Castle Shannon since 2006, on 152 days. The strongest measured gust was 77 mph on Nov 20, 2024.

DateStrongest gustWhereSource
Sep 12, 2026damage reportedGastonville, West Homestead
2 wind reports		NWS storm report (preliminary)
Sep 3, 202675 mph, estimatedBraddock, Castle Shannon, Edgewood
6 wind reports		NWS storm report (preliminary)
Aug 16, 2026damage reportedBellevue, Reserve Township
2 wind reports		NWS storm report (preliminary)
Aug 10, 202640 mph, measuredWest Mifflin, Jefferson, South Park Townshi
3 wind reports		NWS storm report (preliminary)
Aug 7, 2026damage reportedReserve Township
1 wind report		NWS storm report (preliminary)
Jul 18, 2026damage reportedCecil-Bishop, McMurray, Thompsonville
3 wind reports		NWS storm report (preliminary)
Jun 14, 202660 mph, measuredCarnegie, Ben Avon, Morganza
4 wind reports		NOAA Storm Events
Jun 11, 202658 mph, estimatedSharpsburg, Duquesne
2 wind reports		NOAA Storm Events
Apr 1, 202658 mph, estimatedWest Mifflin
1 wind report		NOAA Storm Events
Mar 31, 202658 mph, measuredGayly
1 wind report		NOAA Storm Events

Severe thunderstorm wind means gusts of 58 mph or more, or wind that caused damage. Measured gusts come from weather stations; estimated ones from spotters and damage surveys.

Filing a roof or car hail claim?

Insurers ask for the date of loss. The dates on this page are when hail was reported near Castle Shannon; hail can hit one street and miss the next, so a report is not proof of damage at your address. A licensed roofer or your insurance adjuster can inspect the roof. Many policies set a time limit for filing a claim — check yours.

Nearby cities

Data: NOAA NCEI Storm Events Database (final records through Jun 30, 2026) and National Weather Service Local Storm Reports (preliminary, since then). Distances are measured from the center of Castle Shannon.

Run a roofing company or a local news site? Show Castle Shannon's hail history on your website with our free widget →

Roofing or restoration company? Get an email within the hour when hail is reported near Castle Shannon with our hail alerts ($29 a month) →